html,body,#show{
	background-color: #F4F5F9;
}
#content {
    padding: 0 100px;
    box-sizing: border-box;
    margin-bottom: 40px;
}
#nav{
	height: 181px;
	background-image: url(../image/t_bg.png);
}
#nav .border{
	background-image: none;
}
.t_left{
    text-align: center;
    width: 250px;
    background-color: #fff;
    padding-bottom: 10px;
    border-radius: 5px;
}
.t_left .headbox{
	width: 250px;
	height: 143px;
	background-image: url(../image/t_head_bg.jpg);
}
.t_left .headbox .head{
	width: 92px;
	height: 92px;
	border-radius: 46px;
	background-image: url(../image/head14.png);
	position: absolute;
	top: 0;
	left: 0;
	right: 0;
	bottom: 0;
	margin: auto;
	border: 4px solid #fff;
}
.t_left .headbox .head.in{
	background-size:120% auto ;
}
.t_left .name{
    color: #ff525f;
    font-size: 18px;
    margin-top: 18px;
}
.t_left .grade{
	font-size: 12px;
    color: #000;
    margin-top: 10px;
    vertical-align: middle;
}
.t_left .grade .grade_icon{
   width: 13px;
    height: 16px;
    display: inline-block;
    background-image: url(../image/star.png);
    vertical-align: middle;
}
#banner{
	position: absolute;
    top: 0;
    left: 280px;
    width: 720px;
    height: 220px;    
    overflow: hidden;
}
#banner .banner{
	width:100% ;
	height: 100%;
}
#banner .pic{
    width: 100%;
    height: 100%;
    position: absolute;
    left: 100%;
    top: 0;
    background-size: cover;
    background-position: center;
}
#banner .banner img{
	width: 100%;
	height: 100%;
}
#banner .pic.in1{
    -webkit-animation: left1 1s forwards;
    animation: left1 1s forwards;
}
@-khtml-keyframes left1 {
    0%{
        left: 100%;
    }
    100%{
        left: 0;
    }
}
@keyframes left1 {
    0%{
        left: 100%;
    }
    100%{
        left: 0;
    }
}
#banner .pic.in2{
    -webkit-animation: left2 1s forwards;
    animation: left2 1s forwards;
}

@-khtml-keyframes left2 {
    0%{
        left: 0;
    }
    100%{
        left: -100%;
    }
}
@keyframes left2 {
    0%{
        left: 0;
    }
    100%{
        left: -100%;
    }
}
#banner .pic.out1{
    -webkit-animation: right1 1s forwards;
    animation: right1 1s forwards;
}
#banner .pic.out1.in2{
    -webkit-animation: left2 1s forwards;
    animation: left2 1s forwards;
}
@-khtml-keyframes right1 {
    0%{
        left: -100%;
    }
    100%{
        left: 0;
    }
}
@keyframes right1 {
    0%{
        left: -100%;
    }
    100%{
        left: 0;
    }
}
#banner .pic.out2{
    -webkit-animation: right2 1s forwards;
    animation: right2 1s forwards;
}

@-khtml-keyframes right2 {
    0%{
        left: 0;
    }
    100%{
        left: 100%;
    }
}
@keyframes right2 {
    0%{
        left: 0;
    }
    100%{
        left: 100%;
    }
}
#banner .picBtn{
	width: 720px;
    /* height: 11px; */
    bottom: 20px;
    text-align: center;
    line-height: 10px;
}
#banner .dot{
	position: static;
	width: 14px;
	height: 14px;
	border-radius: 7px;
	display: inline-block;
	border: #c2b8ab solid 1px;
	box-sizing: border-box;
	margin: 0 3px;
}
#banner .dot.in{
	background-color: #fff;
}
.middle{
	display: flex;
}
.m_left{
	width: 250px;
}
.m_left .m_top .list .item{
	width: 250px;
    height: 100px;
    margin-top: 15px;
    border-radius: 7px;
}
.m_left .m_top .list .item.in{
	background-size: 120% auto;
}
.m_left .m_top .list .item:nth-child(1){
	margin-top: 20px;
    background-image: url(../image/t_list1.png);
}
.m_left .m_top .list .item:nth-child(2){
    background-image: url(../image/t_list2.png);
}
.m_left .m_top .list .item.in2:nth-child(2){
    background-image: url(../image/t_list2-2.png);
}
.m_left .m_top .list .item:nth-child(3){
    background-image: url(../image/t_list3.png);
}
.m_left .m_top .list .item.in2:nth-child(3){
    background-image: url(../image/t_list3-2.png);
}
.m_left .m_top .list .item:nth-child(4){
    background-image: url(../image/t_list4.png);
}
.m_left .m_top .list .item.in2:nth-child(4){
    background-image: url(../image/t_list4-2.png);
}
.m_bottom{
    margin-top: 15px;
    background-color: #fff;
    border-radius: 5px;
    padding: 20px 0 20px 30px;
    height: 400px;
    overflow-y: auto;
    box-sizing: border-box;
}
.m_bottom .firstbox{
	margin: 12px 0;
}
.m_bottom .firstbox .first{
    color: #000;
    font-size: 16px;
    padding-left: 30px;
    cursor: context-menu;
    padding: 10px 0 10px 30px;
}
.m_bottom .firstbox.in .first{
    color: #ff3641;
}
.m_bottom .firstbox  .first::before{
	content: "";
    display: block;
    width: 16px;
    height: 16px;
    background-image: url(../image/t_reduce.png);
    position: absolute;
    top: 13px;
    left: -3px;
}
.m_bottom .firstbox.in  .first::before{
	    background-image: url(../image/t_add.png);
}
.m_bottom .firstbox .secondbox{
    border-left: 2px #e7e7e7 dotted;
    padding-left: 35px;
    display: none;
}
.m_bottom .firstbox .secondbox .second{
    font-size: 16px;
    color: #000;
    margin-bottom: 15px;
    height: 35px;
    line-height: 35px;
    background-size: cover;
    padding-left: 5px;
    cursor: context-menu;
}
.m_bottom .firstbox .secondbox .second::before{
    content: "";
    display: block;
    width: 35px;
    border-bottom: 2px #e7e7e7 dotted;
    position: absolute;
    left: -35px;
    top: 17px;
	
}
.m_bottom .firstbox .secondbox .second.in{
	background-image: url(../image/infobox.jpg);
	color: #fff;
}
.m_right{
    width: 720px;
    background-color: #fff;
    border-radius: 5px;
    padding: 15px 20px;
    box-sizing: border-box;
    margin-left: 30px;
    margin-top: 20px;
}

#iframe{
	overflow: hidden;
}
.bottom{
	padding: 15px 25px;
    box-sizing: border-box;
    background: #fff;
    margin-top: 30px;
    border-radius: 5px;
}
.bottom .title{
	width: 85px;
	height: 17px;
	background-image: url(../image/t_title4.png);
}
.bottom .list{
	margin-top: 10px;
}
.bottom .list .img{
    display: inline-block;
    width: 176px;
    height: 132px;
    /* background-image: url(../image/t_teacher.png); */
    margin: 0 5px;
}
.bottom .list .img img{
    width: 176px;
    height: 132px;
}
